Computer seem to shut down and start back at his own leasure.Changed PSU cleaned CPU fan and heat sink (sys temp 22c, CPU temp 46c). Disconnected all drives and still the same. It's a KM4M motherboard.
Can you help
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Re: shutting down then starting back up whenever
Ya. If it keeps re-booting then it may be a virus (my things virus) If not, go to system properties and start up and recovery settings. remove reboot on error settings (in XP) It doesnt fix the root cause but may stop your frustration
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- Stop Overclocking your CPU.
- Make sure your Heat Sink is placed properly above the processor.
- Clean the Processor fan, Heat Sink and other peripherals.
- Use High Speed fans.
- Use CPU Heat Sink Paste in the processor.
- Fix OS registry with reliable program like I always use Reginout.
- Shut down your computer at least two hour a day.
1. Stop Overclocking your CPU 2. Make sure your Heat Sink is placed properly above the processor 3. Clean the Processor fan, Heat Sink and other peripherals 4. Use High Speed fans 5. Use CPU Heat Sink Paste in the processor 6. Make sure your dint restrict the speed of CPU fan. 7. Use Additional Cooling Units 8. Check your SMPS 9. Use proper ventilation in your room 10. Shut down your computer at least two hour a day Let me know if it helps you. Use system utility tool like RegInOut to remove unwanted files , fix registry and windows errors which cause of heat problems
When the CPU overheats then it will shut down (i.e. thermal overload) and won't boot up again until it has cooled down. If this is the problem is not fixed then the CPU will eventually fail. A faulty fan causes the problem or the fan and heat sink assembly are clogged with dust. Check the CPU fan to see if it spins freely, if not replace the fan. If the fan and heat sink is clogged with dust the remove the dust and make sure the vents are clear and dust free. Use a small brush and can of compressed air to do this.
It could be overheating. After it shuts down, restart it, and enter BIOS SETUP, and look for a "PC Health" or "Status" entry on the menu. If you're lucky, it will report the current CPU temperature, and the speed of the fans, and the settable temperature at which it will shut itself down.
Check the capacitors on the motherboard -- any capacitor with a "dome" on top, instead of perfectly-flat, is a leaking capacitor that is intermittently failing.
Hello, usually the computer switching off randomly can be caused by overheating issues. Make sure the cooling fan over the CPU is working, if not you'll have to replace it. You can use compressed air to blow away any dust accumulated into the computer, to ensure maximum cooling efficiency. Another culprit could be the power supply unit (PSU) and you should try replace that (costs less than a new motherboard). If you specify what kind of computer (desktop, notebook) you have and the model I can be more specific. Let me know if this helps you, bye
I have a intel dg33bu.Have a look at the internel fans.Are they clean.
The processor fan and heat sink need to be clean of dust and dirt.
Last- It may be a good idea to put some fresh thermal paste on the processor.
What you are describing sounds like a heat issue,runs,heats up then shuts down.
You could have a problem with your OS, it could be viruses, or other things.
It could also be a force shut down by your motherboard. Before you replace the motherboard, check to see if you computer might be over heating. Touch the heatsink on your CPU/Motherboard. Feel if it is too Hot or Cold. You only want it to be warm.
soks3d, With the system shut down, unplug the power cable from the power supply. Open you're case and pull the memory from the system wait a minute than reseat the memory. Re-connect the power cable to the power supply. Try booting the system and enter the bios menu. (Pulling the memory will clear any memory resident virus). This has nothing to do with the alarm buzzer sound you heard. Typically the alarm sound is generated by the CPU. It's an audible warning that the CPU is over-heating. The CPU will shut down you're system so as not to damage the motherboard and CPU. (Suggest you check the CPU fan for dust build-up. Use canned air to help remove any build-up. You can also use a clean paint brush to help remove any dust from under each CPU fan blade. It's also possible that the CPU fan is running far too slow and may need to be replaced. See page 3-23 in you're user manual. 3-8. PC Health Status. Open the link provided below for a new heat-sink and fan assembly for a socket 462; http://www.directron.com/a4004d.html If the CPU fan and heat-sink assembly seems clean it is also possible that the thermal grease / thermal tape between the heat-sink and CPU is too old and needs to be replaced. (Save this check for last). Below is the link for you're motherboard; http://www.abit.com.tw/page/en/motherboard/motherboard_detail.php?pMODEL_NAME=KV7-V&fMTYPE=Socket+A
Regarding with this problem, when computer which is shutting down. It is the processor problem they can not reach the temperature. Be sure that the CPU fan is spinning so that it will control the CPU temperature. If the fan is not spinning it will cause overheating. Try to disassemble the unit specifically the CPU. Clean your unit remove the dust, when you assemble back your unit make sure that you will put a thermal paste between the CPU and the CPU heat sink so that the of the CPU will absorbed by the heat sink.
If all the parts of your computers are fined functioning. This is a CPU problem witch is no display. Try to disassemble the CPU remove the heat sink the CPU and clean and insert it again. When you are now inserting the CPU be sure that you will put a thermal past in the heat sink so that the heat from the CPU are absorbed. If the heat will not be absorbed it will cause overheating.